Definition of digital cash in English:

noun

Anonymous digital cash would accelerate money laundering and encourage tax evasion, U.S. government officials have said.

Satellites acting as depositories for digital cash would allow companies and individuals to move money anywhere, using computers or even handheld devices linked to satellite transceivers.

And that works whereas every attempt to get digital cash going with pilot after pilot have not worked, but if you do it through aggregation, it's already there and then the final piece is bringing the transaction of the moment of value.